#37699C#37699C

#37699C is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 51.0% C 0.098 H 250.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#37699C
RGB	rgb(55, 105, 156)
HSL	hsl(210, 48%, 41%)
HSV	hsv(210, 65%, 61%)
CMYK	cmyk(64.7%, 32.7%, 0%, 38.8%)
CIE-LAB	lab(43.23, -0.20, -32.69)
CIE-LCH	lch(43.23, 32.69, 269.66°)
OKLab	oklab(50.99% -0.0323 -0.0924)
OKLCH	oklch(50.99% 0.098 250.7)
XYZ	xyz(12.6257, 13.3144, 33.3506)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37699C #9C6A37

analogous

#379C9C #37699C #38379C

triadic

#37699C #9C3769 #699C37

tetradic

#37699C #9C379C #9C6A37 #379C38

square

#37699C #9C379C #9C6A37 #379C38

split-complementary

#37699C #9C3837 #9C9C37

monochromatic

#172C42 #274B6F #37699C #4F88C1 #7CA6D1

Accessibility & contrast

On white

5.73

#37699C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#37699C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37699C

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37699C	#FFFFFF	#000000	##FFFFFF
##37699C	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536B9E

Deuteranopia (green-blind)

#45629B

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #37699c;
/* rgb */ color: rgb(55, 105, 156);
/* oklch */ color: oklch(51.0% 0.098 250.7);

Tailwind

colors: {
  custom: {
    50: '#7893b9',
    500: '#37699c',
    950: '#000000',
  },
}

SCSS

$custom: #37699c;
$custom-light: #7893b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37699c",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 156
  },
  "hsl": {
    "h": 210.297,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50988,
    "c": 0.09792,
    "h": 250.7
  },
  "luminance": 0.13316
}

Semantic roles & 50–950 ramp

primary

#37699C

secondary

#BA9875

accent

#9550D7

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #37699C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →